4089577 has 4 divisors (see below), whose sum is σ = 4093840. Its totient is φ = 4085316.

The previous prime is 4089563. The next prime is 4089581. The reversal of 4089577 is 7759804.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4089577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4089677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58 + ... + 2860.

It is an arithmetic number, because the mean of its divisors is an integer number (1023460).

Almost surely, 2^4089577 is an apocalyptic number.

It is an amenable number.

4089577 is a deficient number, since it is larger than the sum of its proper divisors (4263).

4089577 is a wasteful number, since it uses less digits than its factorization.

4089577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4262.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 4089577 is about 2022.2702588922. The cubic root of 4089577 is about 159.9163234341.

The spelling of 4089577 in words is "four million, eighty-nine thousand, five hundred seventy-seven".